Irrigating and sprinkling system



Oct. 9, 1934. Q O w so r 1,976,053

IRRIGATING AND SPRINKLING SYSTEM Filed May 25, 1932 2 Sheets-Sheet l awe/MM Ch arles 0. M (ison W fikw 'W Oct. 9, 1934. c. 0. WILSON 1,976,053

IRRIGATING AND SPRINKLING SYSTEM Filed May 23, 1932 2 Sheets-Sheet 2 7 zl v -1 2,249 Mmm/ I Patented Oct. 9, 1934 UNITED stares e ress @FFEE 4 Claims.

The present invention relates to irrigating and sprinkling systems for grass lawns, gardens and the like and its object is, generally, to provide in such systems improved means for oscfllating the horizontal water-discharging pipes thereof; and further, to provide means for thus oscillating said pipes at difierent speeds in different arcs of their oscillation.

invention finds preferable embodiment m, the illustrative structure and mechanism particularly described in the body of this specification and shown by the accompanying drawings, in which:

Figure 1 is an elevational view of an irrigating and sprinkling system;

Figure 2 is a top plan view thereof;

Figure 3 is a vertical sectional view of the same taken on line 33 of Figure 1;

Figure 4 is an elevational, view of parts of the same, partially sectioned vertically on line 4-4 of Figures 2 and 8;

Figure 5 is a horizontal sectional view of parts I of the same taken on line 55 of Figure 6;

Figure 6 is an elevational view of certain parts of the same, the cylinder being shown in vertical section taken on line 6-6 of Figure 5;

Figure '7 is a vertical sectional view of certain parts of the same taken on the same line 66 of Figure 5;

Figure 8 is an elevational view of said system illustrating the water flow therefrom at different turned positions of the water-discharging pipe;

Figures 9, and 11 are elevational detail views of certain parts in different relative positions, the discharge pipe being shown in vertical cross section.

In these drawings is illustrated-an irrigating and sprinkling system comprising a water-supply pipe 1 and a horizontal water-discharge pipe 2 having nozzle openings 3 and being turnable about its longitudinal axis by the following means.

On the horizontal portion 4 of the supply pipe is fixed as by screw threads 5, a pipe union 6 forming a part of the supply pipe itself. The discharge pipe is turnably mounted on the union, the annular flange 7 of its portion 8 rotatably bearing on the collar 9 threaded on this union.

The supply pipes horizontal portion 4 (or the union 6) has a downwardly extending slide hearing forming a piston rod 11 along which the hollow cylinder 12 moves upwardly-downwardly, the cylinders upper end 13 bearing on this piston rod which extends in slidably fitting relation therethrough. This piston rod comprises an outer tube 14 fastened at its upper end to the union and at the sides of which the water flows from the supply pipe through the union and into the discharge pipe, and comprises also an inner tube 15, spaced from said outer tube and having a rearwardly These and any other and more specific objects hereinafter appearing are attained by, and the extending intake portion 16, a small portion of the water from thesupply pipe passing downwardly through this inner tube into the cylinder. A piston 17 is mounted at 18 and 19 on the lower ends or" these tubes 14 and 15 (as seen in Figure '7), said spaced tubes thus forming a peculiarly stable and rigid support or mounting for the piston and the cylinder. This cylinder slides up and down on the fixed piston, bearing at 20 therein, and is provided with packing glands 21 held as by screws 22 extending through rings 23 and threaded in the opposite sides of the piston.

, The cylinder carries at its upper end a toothed rack 24 which meshes with the toothed segment 25 fixed on the discharge pipe 2 and oscillates this discharge pipe by the upward and downward movements of the cylinder. As best seen in Figures 3, 9, l0 and 1 radii of the segment 25 vary, and the radii of the curved toothed portion of the rack 24. correspondingly vary, so that the discharge-pipe 2 is oscillated at diff rent speeds in different turned positions th reof.

In the illustrated formation of segment and rack, the discharge pipe turns more rapidly when its discharge openings or nozzles 3 are uppermost than when the streams or" water issue horizontally therefrom, thus effecting a more uniform distribution of water over the ground area served by tle system. The cylinder 12 is moved upwardly and downwardly to oscillate the discharge pipe by water pressure in the line, and by the following means: Assuming the parts to be in the approximate position illustrated in Figures 6 and 7, water flowing down inner tube 15 passes out i its lower end into the pistons passage 2? and thence into the inwardly-upward-. 1y extending passage 28 of a valve 29 slidable vertically in a bearing 30 through the piston and is discharged into the cylinder above the piston, thus sliding the cylinder upwardly to turn the discharge in one direction, water from below the piston being discharged from the cylinder through the valves similar passage 28 registering wi h the pistons passage 37 which opens into the outer tube 14.

When the cylinder nearly reaches the upward limit of its movement, the stem 31 mounted in the cylinders lower end strikes the lower end of the valve and raises the same to a position wherein its passage 28 registers with the pistons passage 2'? and the valves passage 28 registers with the pistons passage 37, so that water pas es through passages 27 and 28 into the cylinder below the piston to slide the cylinder downwardly, water from above the piston being discharged through passage 23 into the pistons passage 3-! which opens into the outer tube 14, whereby the discharge pipe is turned in its opposite direction. When the cylinder moves down- 1, the

wardly to nearly its lowest limit of movement, its stem 31 strikes the upper end of the valve and slides it downwardly again into its position seen in Figrue '7. The cylinder is thus moved alternately up and down to oscillate the discharge pipe 2.

The threaded stems 31, 131 are adjustable lengthwise, as by their nuts 38 to vary the length of the cylinders movement and the area served by the system; and these stems desirably have spring inner ends 39 to cushion the action of the valve.

Water discharged from the cylinder through tube 14, may be vented through the unions passage 40 provided with a cook 41.

The threaded collar 9 is held against turning by a screw bolt 42 passing through a lug 43 of the union and seating in one of the spaced pits 44 of this collar. The cylinder may be made to move in one direction by other means, such as a spring or by its own weight, and water may be discharged therefrom otherwise than as described.

The valve is releasably held in its operative positions by a suitable catch as the ball 45 movable, by a spring 46 in a bearing 4'7, into the valves pits 48, 49 respectively.

The invention being intended to be pointed out in the claims, is not to be limited to or by details of construction of the particular embodiment thereof illustrated by the drawings or hereinbefore described.

I claim:

1. In an irrigating and sprinkling system having a horizontally disposed oscillatory water pipe with nozzle openings through its side, means for oscillating the pipe by water pressure in the irrigating and sprinkling line comprising: a fixed piston rod extending radially of the pipe composed of spaced coaxial tubes and having a piston; a cylinder operatively containing the piston and slidable along the piston rod; connections between the cylinder and the pipe for oscillating the pipe by the sliding movement of the cylinder, one of said tubes receiving Water from said line, the piston having a water passage from said tube to the interior of the cylinder and spaced passages from the interior of the cylinder to the other tube for discharging water from the cylinder therethrough; a valve for said passages slidable in the piston to a position admitting water from the first-mentioned tube into one end of the cylinder and discharging water through one of the discharge passages and the secondmentioned tube from the other end of the cylinder, and slidable to an opposite position admitting water into the second-mentioned end,

of the cylinder and discharging water through the other discharge passage from the first-mentioned end of the cylinder; stops for sliding the valve to its said positions by the oppositely sliding movements respectively of the cylinder.

2. In an irrigating and sprinkling system hav-.

ing a horizontally disposed oscillatory water pipe element with nozzle openings through its side, means for oscillating the pipe comprising a movable element; connections between said elements for oscillating the pipe element by the movement of the other one of said elements including a toothed segment on one of said elements and a toothed rack on the other one of said elements meshing with the segment, the series of the segments teeth and the series of the racks teeth extending in such interrelative directions as to oscillate the pipe element at different speeds in different arcs of its oscillation.

3. In an irrigating and sprinkling system having a horizontally disposed oscillatory water pipe with nozzle openings through its side, means for oscillating the pipe by Water pressure in the irrigating and sprinkling line comprising: a fixed piston rod extending radially of the pipe having a piston and spaced water passages extending axially of the piston rod; a cylinder operatively containing the piston and slidable along the piston rod; connections between the cylinder and the pipe for oscillating the pipe by the sliding movement of the cylinder, one of said passages receiving water from said line, the piston having a water passage from said passage of the piston rod to the interior of the cylinder and a pair of spaced passages from the interior of the cylinder to the other passage of the piston rod for discharging water therethrough; a valve for said passages slidable in the piston to a position admitting water from the first-mentioned passage of the piston rod into one end of the cylinder and discharging water through one of said pair of passages and the second-mentioned passage of the piston rod from the other end of the cylinder and slidable to an opposite position admitting water into the second-mentioned end of the cylinder and discharging Water through the other one of said pair of discharge passages from the first-mentioned end of the cylinder; stops for sliding the valve to its said positions by the oppositely sliding movements respectively of the cylinder.

4. In an irrigating and sprinkling system having a horizontally disposed oscillatory water pipe with nozzle openings through its side, means for oscillating the pipe by Water pressure in the irrigating and sprinkling line comprising: a fixed piston rod extending radially of the pipe having a piston and spaced water passages extending axially of the piston rod; a cylinder operatively containing the piston and slidable along the piston rod; connections between the cylinder and the pipe for oscillating the pipe by the sliding movement of the cylinder, one of said passages receiving water from said line, the piston having a water passage from said passage of the piston rod to the interior of the cylinder and a pair of spaced passages from the interior of the cylinder to the other passage of the piston rod for discharging water therethrough; a valve for said passages slidable in the piston to a position admitting water from the first-mentioned passage of the piston rod into one end of the cylinder and discharging water through one of said pair of passages and the second-mentioned passage of the piston rod from the other end of the cylinder and slidable to an opposite position ad' mitting water into the second-mentioned end of 

